Season 4

E1. Episode 1

Nov 27, 1972

Season 4 premiere: Gordon and Susan meet Sam the Robot, Mr. Snuffleupagus plays "London Bridge" with the kids. Sponsors: D, 2

E2. Episode 2

E3. Episode 3

E4. Episode 4

E5. Episode 5

E6. Episode 6

E7. Episode 7

E8. Episode 8

E9. Episode 9

E10. Episode 10

E11. Episode 11

E12. Episode 12

E13. Episode 13

E14. Episode 14

E15. Episode 15

E16. Episode 16

E17. Episode 17

E18. Episode 18

E19. Episode 19

E20. Episode 20

E21. Episode 21

E22. Episode 22

E23. Episode 23

E24. Episode 24

E25. Episode 25

E26. Episode 26

E27. Episode 27

Apr 17, 1970

E28. Episode 28

E29. Episode 29

E30. Episode 30